chore(deps): update dependency ember-source to v6 #3598

Job	Run time
Lint Addon	33s
Tests (ember-4.0, false)	58s
Tests (Floating Dependencies)	1m 12s
Tests (ember-lts-4.4, false)	1m 7s
embroider-optimized - Allowed to fail	37s
Lint Test App	33s
Tests (ember-lts-4.8, false)	1m 0s
ember-beta - Allowed to fail	57s
Tests (ember-4.12, false)	52s
ember-canary - Allowed to fail	1m 7s
Tests (ember-lts-5.8, false)	1m 10s
Tests (ember-default, false)	1m 0s
Tests (ember-release, false)	55s
Tests (embroider-safe, false)	30s
	12m 31s

Provide feedback